
Regular verb: check - checked - checked
| Present | Present continuous | Preterite | Preterite continuous | 
| I check you check he checks we check you check they check | I am checking you are checking he is checking we are checking you are checking they are checking | I checked you checked he checked we checked you checked they checked | I was checking you were checking he was checking we were checking you were checking they were checking | 
| Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous | 
| I have checked you have checked he has checked we have checked you have checked they have checked | I have been checking you have been checking he has been checking we have been checking you have been checking they have been checking | I had checked you had checked he had checked we had checked you had checked they had checked | I had been checking you had been checking he had been checking we had been checking you had been checking they had been checking | 
| Future | Future continuous | Future perfect | Future perfect continuous | 
| I will check you will check he will check we will check you will check they will check | I will be checking you will be checking he will be checking we will be checking you will be checking they will be checking | I will have checked you will have checked he will have checked we will have checked you will have checked they will have checked | I will have been checking you will have been checking he will have been checking we will have been checking you will have been checking they will have been checking | 
| Present | Present continuous | Past | Past continuous | 
| I would check you would check he would check we would check you would check they would check | I would be checking you would be checking he would be checking we would be checking you would be checking they would be checking | I would have checked you would have checked he would have checked we would have checked you would have checked they would have checked | I would have been checking you would have been checking he would have been checking we would have been checking you would have been checking they would have been checking | 
| Infinitive | Imperative | 
| Infinitive | Imperative | ||
| to check | check Let's check check | 
| Present | Past | ||
| checking | checked |